Trailer



FIG. 1 is a frontal perspective view of a trailer embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof, and the opposite side is a mirror image of that shown; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a trailer, substantially as shown and described. 